129
FZUS51 KBOX 041103
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
703 AM EDT MON MAY 4 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 60 NM
ANZ200-050000-
703 AM EDT MON MAY 4 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
HIGH PRES RETURNS OVER THE WATERS EARLY NEXT WEEK HOWEVER STRONG
SOUTHWESTERLY FLOW WILL BRING GUSTY WINDS ACROSS THE WATERS. RAIN
RETURNS MID TO LATE WEEK WITH A LOW PRES AND COLD FRONT MOVING
THROUGH BRINGING SHOWERS AND THUNDERSTORMS.
ANZ250-050000-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
703 AM EDT MON MAY 4 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING
TODAY
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 4 TO
5 FT. WAVE DETAIL: E 5 FT AT 9 SECONDS AND SW 4 FT AT 4 SECONDS.
TONIGHT
SW WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT AFTER
MIDNIGHT. SEAS 3 TO 5 FT. WAVE DETAIL: SW 5 FT AT 5 SECONDS AND E
2 FT AT 9 SECONDS.
TUE
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT, INCREASING TO
20 TO 25 KT WITH GUSTS UP TO 35 KT IN THE AFTERNOON. SEAS 3 TO
4 FT, BUILDING TO 4 TO 6 FT IN THE AFTERNOON. WAVE DETAIL: S 4 FT
AT 5 SECONDS AND E 1 FOOT AT 9 SECONDS, BECOMING S 5 FT AT
5 SECONDS AND E 1 FOOT AT 9 SECONDS.
TUE NIGHT
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
4 TO 6 FT. WAVE DETAIL: S 6 FT AT 6 SECONDS AND SE 4 FT AT
9 SECONDS.
WED
S WINDS AROUND 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
6 FT. WAVE DETAIL: S 5 FT AT 6 SECONDS AND SE 3 FT AT 9 SECONDS.
A CHANCE OF SHOWERS IN THE AFTERNOON.
WED NIGHT
S WINDS 15 TO 20 KT, BECOMING SW 10 TO 15 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. SEAS 3 TO 5 FT. WAVE DETAIL: S 5 FT
AT 5 SECONDS AND E 1 FOOT AT 10 SECONDS. SHOWERS, MAINLY IN THE
EVENING.
THU AND THU NIGHT
NW WINDS 10 TO 15 KT, BECOMING W 5 TO 10 KT.
SEAS 2 TO 4 FT. A CHANCE OF SHOWERS.
FRI AND FRI NIGHT
W WINDS 5 TO 10 KT, INCREASING TO 10 TO
15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO 4 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ251-050000-
MASSACHUSETTS BAY AND IPSWICH BAY-
703 AM EDT MON MAY 4 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM EDT THIS MORNING
THROUGH THIS EVENING...
TODAY
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
4 FT. WAVE DETAIL: E 4 FT AT 9 SECONDS AND SW 3 FT AT 3 SECONDS.
TONIGHT
SW WINDS 10 TO 15 KT. GUSTS UP TO 30 KT, DECREASING TO
20 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT
4 SECONDS AND E 3 FT AT 9 SECONDS.
TUE
S WINDS 15 TO 20 KT. GUSTS UP TO 25 KT, INCREASING TO
35 KT IN THE AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: S 4 FT AT
4 SECONDS AND E 1 FOOT AT 9 SECONDS.
TUE NIGHT
S WINDS 20 TO 25 KT, BECOMING SW 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 30 KT. SEAS 3 TO 4 FT. WAVE DETAIL: S 4 FT
AT 5 SECONDS AND E 1 FOOT AT 9 SECONDS.
WED
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
4 FT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND E 1 FOOT AT 9 SECONDS.
SHOWERS LIKELY IN THE AFTERNOON.
WED NIGHT
S WINDS 15 TO 20 KT, BECOMING SW 10 TO 15 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: S 3 FT
AT 5 SECONDS AND E 1 FOOT AT 10 SECONDS. SHOWERS.
THU AND THU NIGHT
N WINDS 5 TO 10 KT, BECOMING W. SEAS AROUND
2 FT. A CHANCE OF SHOWERS.
FRI AND FRI NIGHT
W WINDS 10 TO 15 KT. SEAS AROUND 2 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ231-050000-
CAPE COD BAY-
703 AM EDT MON MAY 4 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM EDT THIS MORNING
THROUGH THIS EVENING...
TODAY
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT THIS
AFTERNOON. GUSTS UP TO 35 KT. SEAS 2 TO 4 FT. WAVE DETAIL: SW
3 FT AT 4 SECONDS AND NE 2 FT AT 6 SECONDS.
TONIGHT
SW WINDS 15 TO 20 KT. GUSTS UP TO 30 KT, DECREASING TO
20 KT AFTER MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: SW 3 FT AT
4 SECONDS AND NE 1 FOOT AT 6 SECONDS.
TUE
SW WINDS 15 TO 20 KT. GUSTS UP TO 25 KT, INCREASING TO
35 KT IN THE AFTERNOON. SEAS 3 TO 4 FT. WAVE DETAIL: SW 3 FT AT
4 SECONDS AND E 1 FOOT AT 9 SECONDS.
TUE NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS
3 TO 4 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND SE 2 FT AT
9 SECONDS.
WED
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
4 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND SE 2 FT AT
10 SECONDS. A CHANCE OF SHOWERS IN THE AFTERNOON.
WED NIGHT
S WINDS 15 TO 20 KT, BECOMING SW 10 TO 15 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: S 2 FT
AT 3 SECONDS AND E 1 FOOT AT 12 SECONDS. SHOWERS, MAINLY IN THE
EVENING.
THU AND THU NIGHT
N WINDS 5 TO 10 KT, BECOMING W. SEAS AROUND
2 FT. SHOWERS LIKELY.
FRI AND FRI NIGHT
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ254-050000-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
703 AM EDT MON MAY 4 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING
TODAY
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
6 FT. WAVE DETAIL: SW 6 FT AT 6 SECONDS AND E 5 FT AT 9 SECONDS.
TONIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
6 FT. WAVE DETAIL: SW 6 FT AT 6 SECONDS AND E 2 FT AT 9 SECONDS.
TUE
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
5 FT, BUILDING TO 5 TO 7 FT IN THE AFTERNOON. WAVE DETAIL: S 5 FT
AT 7 SECONDS AND SE 1 FOOT AT 9 SECONDS, BECOMING S 6 FT AT
7 SECONDS AND E 1 FOOT AT 9 SECONDS. PATCHY FOG IN THE MORNING
WITH VSBY 1 NM OR LESS.
TUE NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
5 TO 7 FT. WAVE DETAIL: S 7 FT AT 7 SECONDS AND E 3 FT AT
9 SECONDS.
WED
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
6 FT. WAVE DETAIL: S 6 FT AT 7 SECONDS AND E 1 FOOT AT
10 SECONDS.
WED NIGHT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
4 TO 6 FT. WAVE DETAIL: S 5 FT AT 6 SECONDS AND E 1 FOOT AT
10 SECONDS. SHOWERS.
THU
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
5 FT. SHOWERS LIKELY.
THU NIGHT
W WINDS 5 TO 10 KT. SEAS 4 TO 6 FT. SHOWERS LIKELY.
FRI
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 4 TO
6 FT.
FRI NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
3 TO 5 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ255-050000-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
703 AM EDT MON MAY 4 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING
TODAY
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 4 TO
6 FT. WAVE DETAIL: SW 6 FT AT 7 SECONDS AND E 4 FT AT 9 SECONDS.
TONIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
6 FT. WAVE DETAIL: SW 6 FT AT 7 SECONDS AND E 2 FT AT 9 SECONDS.
TUE
SW WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 4 TO 6 FT, BUILDING TO 5 TO
8 FT IN THE AFTERNOON. WAVE DETAIL: SW 6 FT AT 7 SECONDS AND E
1 FOOT AT 9 SECONDS, BECOMING SW 8 FT AT 7 SECONDS AND E 1 FOOT
AT 9 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 TO 3 NM.
TUE NIGHT
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
6 TO 9 FT. WAVE DETAIL: SW 9 FT AT 8 SECONDS AND E 2 FT AT
11 SECONDS.
WED
S WINDS AROUND 20 KT WITH GUSTS UP TO 25 KT. SEAS 6 TO
8 FT. WAVE DETAIL: SW 7 FT AT 8 SECONDS AND E 1 FOOT AT
10 SECONDS.
WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
5 TO 7 FT. WAVE DETAIL: SW 6 FT AT 7 SECONDS AND SE 1 FOOT AT
10 SECONDS. SHOWERS.
THU
SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. SHOWERS LIKELY.
THU NIGHT
W WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. SHOWERS LIKELY.
FRI
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 5 TO
7 FT.
FRI NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
4 TO 6 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ256-050000-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
703 AM EDT MON MAY 4 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING
TODAY
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 4 TO
6 FT. WAVE DETAIL: SW 6 FT AT 6 SECONDS AND SE 4 FT AT 9 SECONDS.
TONIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 5 TO
6 FT. WAVE DETAIL: SW 6 FT AT 7 SECONDS AND E 2 FT AT 9 SECONDS.
TUE
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO
8 FT. WAVE DETAIL: S 8 FT AT 8 SECONDS AND E 1 FOOT AT 9 SECONDS.
PATCHY FOG IN THE MORNING WITH VSBY 1 TO 3 NM.
TUE NIGHT
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
7 TO 9 FT. WAVE DETAIL: S 9 FT AT 8 SECONDS AND E 7 FT AT
9 SECONDS.
WED
S WINDS AROUND 20 KT WITH GUSTS UP TO 25 KT. SEAS 7 TO
8 FT. WAVE DETAIL: S 8 FT AT 8 SECONDS AND E 1 FOOT AT 9 SECONDS.
A CHANCE OF SHOWERS IN THE AFTERNOON.
WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
5 TO 8 FT. WAVE DETAIL: S 7 FT AT 7 SECONDS AND SE 1 FOOT AT
10 SECONDS. SHOWERS.
THU
SW WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. SHOWERS LIKELY.
THU NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
5 TO 7 FT. SHOWERS LIKELY.
FRI AND FRI NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 4 TO 6 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ232-050000-
NANTUCKET SOUND-
703 AM EDT MON MAY 4 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM EDT THIS MORNING
THROUGH THIS EVENING...
TODAY
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 35 KT. SEAS 2 TO
4 FT. WAVE DETAIL: SW 4 FT AT 4 SECONDS AND E 2 FT AT 8 SECONDS.
TONIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT. WAVE DETAIL: SW 4 FT AT 4 SECONDS AND E 1 FOOT AT
9 SECONDS.
TUE
SW WINDS 15 TO 20 KT. GUSTS UP TO 25 KT, INCREASING TO
35 KT IN THE AFTERNOON. SEAS 3 TO 5 FT. WAVE DETAIL: SW 4 FT AT
4 SECONDS AND SE 1 FOOT AT 9 SECONDS. PATCHY FOG IN THE MORNING
WITH VSBY 1 TO 3 NM.
TUE NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
3 TO 5 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND SE 1 FOOT AT
8 SECONDS.
WED
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
5 FT. WAVE DETAIL: SW 4 FT AT 4 SECONDS AND SE 1 FOOT AT
8 SECONDS. A CHANCE OF SHOWERS IN THE AFTERNOON.
WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 5 FT. WAVE DETAIL: S 4 FT AT 4 SECONDS AND E 1 FOOT AT
10 SECONDS. SHOWERS.
THU AND THU NIGHT
SW WINDS 10 TO 15 KT, BECOMING W 5 TO 10 KT.
SEAS 2 TO 4 FT. SHOWERS LIKELY.
FRI AND FRI NIGHT
W WINDS 15 TO 20 KT. SEAS 2 TO 4 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ233-050000-
VINEYARD SOUND-
703 AM EDT MON MAY 4 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM EDT THIS MORNING
THROUGH THIS EVENING...
TODAY
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 35 KT. SEAS 3 TO
5 FT. WAVE DETAIL: SW 5 FT AT 6 SECONDS AND S 1 FOOT AT
9 SECONDS.
TONIGHT
SW WINDS 15 TO 20 KT. GUSTS UP TO 30 KT, DECREASING TO
20 KT AFTER MIDNIGHT. SEAS 3 TO 5 FT. WAVE DETAIL: SW 5 FT AT
7 SECONDS AND E 1 FOOT AT 9 SECONDS.
TUE
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT, INCREASING TO
20 TO 25 KT WITH GUSTS UP TO 35 KT IN THE AFTERNOON. SEAS 3 TO
4 FT, BUILDING TO 4 TO 6 FT IN THE AFTERNOON. WAVE DETAIL: SW
4 FT AT 7 SECONDS AND SE 1 FOOT AT 8 SECONDS, BECOMING SW 6 FT AT
7 SECONDS AND SE 1 FOOT AT 8 SECONDS. PATCHY FOG IN THE MORNING
WITH VSBY 1 TO 3 NM.
TUE NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
4 TO 6 FT. WAVE DETAIL: SW 6 FT AT 8 SECONDS AND E 4 FT AT
8 SECONDS.
WED
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
6 FT. WAVE DETAIL: SW 6 FT AT 8 SECONDS AND E 1 FOOT AT
8 SECONDS. A CHANCE OF SHOWERS IN THE AFTERNOON.
WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
4 TO 6 FT. WAVE DETAIL: SW 5 FT AT 7 SECONDS AND E 2 FT AT
14 SECONDS. SHOWERS.
THU AND THU NIGHT
SW WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
SHOWERS LIKELY.
FRI AND FRI NIGHT
W WINDS 15 TO 20 KT, DIMINISHING TO 10 TO
15 KT. SEAS 2 TO 4 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ234-050000-
BUZZARDS BAY-
703 AM EDT MON MAY 4 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM EDT THIS MORNING
THROUGH THIS EVENING...
TODAY
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 35 KT. SEAS 2 TO
4 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND S 1 FOOT AT
9 SECONDS.
TONIGHT
SW WINDS 15 TO 20 KT. GUSTS UP TO 30 KT, DECREASING TO
20 KT AFTER MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: SW 4 FT AT
6 SECONDS AND SE 1 FOOT AT 8 SECONDS.
TUE
SW WINDS 15 TO 20 KT. GUSTS UP TO 25 KT, INCREASING TO
35 KT IN THE AFTERNOON. SEAS 3 TO 4 FT. WAVE DETAIL: SW 4 FT AT
5 SECONDS AND SE 1 FOOT AT 9 SECONDS. PATCHY FOG IN THE MORNING
WITH VSBY 1 TO 3 NM.
TUE NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
3 TO 5 FT. WAVE DETAIL: S 5 FT AT 7 SECONDS.
WED
S WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
5 FT. WAVE DETAIL: S 4 FT AT 7 SECONDS. A CHANCE OF SHOWERS IN
THE AFTERNOON.
WED NIGHT
SW WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT
AFTER MIDNIGHT. GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL:
SW 4 FT AT 6 SECONDS AND E 2 FT AT 12 SECONDS. SHOWERS.
THU AND THU NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. SHOWERS
LIKELY.
FRI AND FRI NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ235-050000-
RHODE ISLAND SOUND-
703 AM EDT MON MAY 4 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM EDT THIS MORNING
THROUGH THIS EVENING...
TODAY
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 35 KT. SEAS 4 TO
6 FT. WAVE DETAIL: SW 6 FT AT 6 SECONDS AND SE 3 FT AT 9 SECONDS.
TONIGHT
SW WINDS 15 TO 20 KT. GUSTS UP TO 30 KT IN THE
EVENING. SEAS 4 TO 6 FT. WAVE DETAIL: SW 6 FT AT 7 SECONDS AND SE
1 FOOT AT 9 SECONDS.
TUE
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT, INCREASING TO
20 TO 25 KT WITH GUSTS UP TO 35 KT IN THE AFTERNOON. SEAS 4 TO
5 FT, BUILDING TO 5 TO 7 FT IN THE AFTERNOON. WAVE DETAIL: SW
5 FT AT 7 SECONDS AND SE 1 FOOT AT 9 SECONDS, BECOMING SW 7 FT AT
7 SECONDS AND SE 1 FOOT AT 8 SECONDS.
TUE NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
5 TO 8 FT. WAVE DETAIL: S 8 FT AT 8 SECONDS AND E 8 FT AT
8 SECONDS.
WED AND WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 5 TO 7 FT. WAVE DETAIL: S 7 FT AT 8 SECONDS AND E 3 FT AT
7 SECONDS. SHOWERS.
THU
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: S 4 FT
AT 7 SECONDS AND SE 1 FOOT AT 10 SECONDS. SHOWERS LIKELY.
THU NIGHT
W WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. SHOWERS LIKELY.
FRI
W WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.
FRI NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
3 TO 4 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ237-050000-
BLOCK ISLAND SOUND-
703 AM EDT MON MAY 4 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM EDT THIS MORNING
THROUGH THIS EVENING...
TODAY
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
5 FT. WAVE DETAIL: SW 5 FT AT 6 SECONDS AND SE 3 FT AT 9 SECONDS.
TONIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
5 FT. WAVE DETAIL: SW 5 FT AT 7 SECONDS AND SE 2 FT AT 9 SECONDS.
TUE
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 4 TO
6 FT. WAVE DETAIL: SW 6 FT AT 7 SECONDS AND SE 1 FOOT AT
9 SECONDS.
TUE NIGHT
SW WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT
AFTER MIDNIGHT. GUSTS UP TO 30 KT. SEAS 5 TO 7 FT. WAVE DETAIL:
SW 7 FT AT 7 SECONDS AND SE 5 FT AT 8 SECONDS.
WED
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 5 TO
7 FT. WAVE DETAIL: SW 6 FT AT 7 SECONDS AND E 3 FT AT 8 SECONDS.
SHOWERS LIKELY IN THE AFTERNOON.
WED NIGHT
SW WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT
AFTER MIDNIGHT. GUSTS UP TO 25 KT. SEAS 4 TO 6 FT. WAVE DETAIL:
SW 5 FT AT 7 SECONDS AND SE 2 FT AT 9 SECONDS. SHOWERS.
THU AND THU NIGHT
W WINDS 5 TO 10 KT. SEAS 3 TO 5 FT. SHOWERS
LIKELY.
FRI
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
5 FT.
FRI NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 4 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ230-050000-
BOSTON HARBOR-
703 AM EDT MON MAY 4 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM EDT THIS MORNING
THROUGH THIS EVENING...
TODAY
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 30 KT. WAVES
AROUND 2 FT.
TONIGHT
SW WINDS 10 TO 15 KT. GUSTS UP TO 25 KT IN THE
EVENING. WAVES AROUND 2 FT.
TUE
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, INCREASING TO
20 TO 25 KT WITH GUSTS UP TO 30 KT IN THE AFTERNOON. WAVES AROUND
2 FT.
TUE NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. WAVES
AROUND 2 FT.
WED
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. WAVES AROUND
2 FT. SHOWERS LIKELY IN THE AFTERNOON.
WED NIGHT
S WINDS 15 TO 20 KT, BECOMING SW 10 TO 15 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. WAVES AROUND 2 FT. SHOWERS.
THU AND THU NIGHT
N WINDS 5 TO 10 KT, BECOMING NW. WAVES
1 FOOT OR LESS. A CHANCE OF SHOWERS.
FRI AND FRI NIGHT
W WINDS 10 TO 15 KT. GUSTS UP TO 20 KT.
WAVES AROUND 2 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ236-050000-
NARRAGANSETT BAY-
703 AM EDT MON MAY 4 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM EDT THIS MORNING
THROUGH THIS EVENING...
TODAY
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT THIS
AFTERNOON. GUSTS UP TO 30 KT. WAVES 2 TO 4 FT.
TONIGHT
SW WINDS 10 TO 15 KT. GUSTS UP TO 25 KT IN THE
EVENING. WAVES 2 TO 4 FT.
TUE
SW WINDS 15 TO 20 KT. GUSTS UP TO 25 KT, INCREASING TO
35 KT IN THE AFTERNOON. WAVES 2 TO 4 FT.
TUE NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. WAVES
3 TO 5 FT.
WED AND WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
WAVES 2 TO 4 FT. SHOWERS.
THU AND THU NIGHT
W WINDS 5 TO 10 KT. WAVES 2 TO 3 FT. A
CHANCE OF SHOWERS.
FRI AND FRI NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
WAVES 2 TO 3 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ280-050000-
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
703 AM EDT MON MAY 4 2026
TODAY
SW WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT THIS
AFTERNOON. SEAS 5 TO 6 FT. WAVE DETAIL: SW 6 FT AT 5 SECONDS AND
E 5 FT AT 9 SECONDS.
TONIGHT
SW WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT AFTER
MIDNIGHT. SEAS 5 TO 7 FT. WAVE DETAIL: SW 7 FT AT 7 SECONDS AND E
2 FT AT 9 SECONDS.
TUE
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 4 TO
6 FT, BUILDING TO 5 TO 8 FT IN THE AFTERNOON. WAVE DETAIL: S 6 FT
AT 6 SECONDS AND E 1 FOOT AT 9 SECONDS, BECOMING S 7 FT AT
7 SECONDS AND E 1 FOOT AT 9 SECONDS. PATCHY FOG IN THE MORNING
WITH VSBY 1 TO 3 NM.
TUE NIGHT
S WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS
6 TO 8 FT. WAVE DETAIL: S 8 FT AT 7 SECONDS AND SE 4 FT AT
12 SECONDS.
WED
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 6 TO
7 FT. WAVE DETAIL: S 7 FT AT 7 SECONDS AND E 1 FOOT AT
11 SECONDS. A CHANCE OF SHOWERS IN THE AFTERNOON.
WED NIGHT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS
5 TO 7 FT. WAVE DETAIL: S 6 FT AT 6 SECONDS AND E 1 FOOT AT
10 SECONDS. SHOWERS.
THU
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
5 FT. A CHANCE OF SHOWERS.
THU NIGHT
W WINDS 5 TO 10 KT. SEAS 4 TO 6 FT. A CHANCE OF
SHOWERS.
FRI AND FRI NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 4 TO 6 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ281-050000-
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-
703 AM EDT MON MAY 4 2026
TODAY
SW WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT THIS
AFTERNOON. SEAS 5 TO 6 FT. WAVE DETAIL: SW 6 FT AT 7 SECONDS AND
E 5 FT AT 9 SECONDS.
TONIGHT
SW WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT AFTER
MIDNIGHT. SEAS 5 TO 7 FT. WAVE DETAIL: SW 6 FT AT 7 SECONDS AND E
2 FT AT 9 SECONDS.
TUE
S WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 5 TO 6 FT, BUILDING TO 6 TO
8 FT IN THE AFTERNOON. WAVE DETAIL: S 6 FT AT 7 SECONDS AND E
1 FOOT AT 9 SECONDS, BECOMING S 8 FT AT 7 SECONDS AND E 1 FOOT AT
10 SECONDS. PATCHY FOG. VSBY 1 NM OR LESS, INCREASING TO 1 TO
3 NM IN THE AFTERNOON.
TUE NIGHT
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
7 TO 8 FT. WAVE DETAIL: S 8 FT AT 8 SECONDS AND E 1 FOOT AT
10 SECONDS.
WED
S WINDS AROUND 20 KT WITH GUSTS UP TO 25 KT. SEAS 6 TO
7 FT. WAVE DETAIL: S 6 FT AT 7 SECONDS AND E 1 FOOT AT
10 SECONDS.
WED NIGHT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
5 TO 7 FT. WAVE DETAIL: S 6 FT AT 7 SECONDS AND E 1 FOOT AT
10 SECONDS. SHOWERS.
THU
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 4 TO
6 FT. SHOWERS LIKELY.
THU NIGHT
W WINDS 5 TO 10 KT. SEAS 5 TO 8 FT. SHOWERS LIKELY.
FRI
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 5 TO
8 FT.
FRI NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
4 TO 6 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ282-050000-
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-
703 AM EDT MON MAY 4 2026
TODAY
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 5 TO
7 FT. WAVE DETAIL: SW 6 FT AT 7 SECONDS AND E 5 FT AT 9 SECONDS.
TONIGHT
SW WINDS 15 TO 20 KT. SEAS 5 TO 6 FT. WAVE DETAIL: SW
6 FT AT 7 SECONDS AND E 2 FT AT 9 SECONDS. PATCHY FOG AFTER
MIDNIGHT WITH VSBY 1 TO 3 NM.
TUE
S WINDS 20 TO 25 KT. SEAS 5 TO 7 FT, BUILDING TO 7 TO 8 FT
IN THE AFTERNOON. WAVE DETAIL: SW 7 FT AT 7 SECONDS AND E 1 FOOT
AT 9 SECONDS, BECOMING SW 8 FT AT 8 SECONDS AND E 1 FOOT AT
9 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 NM OR LESS.
TUE NIGHT
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
7 TO 8 FT. WAVE DETAIL: SW 8 FT AT 8 SECONDS AND E 2 FT AT
10 SECONDS.
WED
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 6 TO
7 FT. WAVE DETAIL: SW 7 FT AT 8 SECONDS AND E 1 FOOT AT
10 SECONDS.
WED NIGHT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
6 TO 7 FT. WAVE DETAIL: SW 7 FT AT 7 SECONDS AND E 1 FOOT AT
10 SECONDS. SHOWERS.
THU
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 5 TO
8 FT. SHOWERS LIKELY.
THU NIGHT
W WINDS 10 TO 15 KT. SEAS 7 TO 10 FT. SHOWERS
LIKELY.
FRI AND FRI NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 5 TO 8 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ283-050000-
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM-
703 AM EDT MON MAY 4 2026
TODAY
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 5 TO
7 FT. WAVE DETAIL: SW 6 FT AT 7 SECONDS AND E 4 FT AT 9 SECONDS.
TONIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
AROUND 6 FT. WAVE DETAIL: SW 6 FT AT 7 SECONDS AND E 2 FT AT
9 SECONDS. PATCHY FOG AFTER MIDNIGHT WITH VSBY 1 TO 3 NM.
TUE
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 6 TO
9 FT. WAVE DETAIL: SW 9 FT AT 8 SECONDS AND E 1 FOOT AT
9 SECONDS. PATCHY FOG IN THE MORNING.
TUE NIGHT
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
8 TO 9 FT. WAVE DETAIL: SW 9 FT AT 8 SECONDS AND E 9 FT AT
10 SECONDS.
WED
S WINDS AROUND 20 KT WITH GUSTS UP TO 25 KT. SEAS 7 TO
8 FT. WAVE DETAIL: SW 7 FT AT 8 SECONDS AND E 1 FOOT AT
10 SECONDS. A CHANCE OF SHOWERS IN THE AFTERNOON.
WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
6 TO 8 FT. WAVE DETAIL: S 7 FT AT 7 SECONDS AND E 1 FOOT AT
10 SECONDS. SHOWERS.
THU
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 5 TO
7 FT. SHOWERS LIKELY.
THU NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
6 TO 9 FT. SHOWERS LIKELY.
FRI AND FRI NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 5 TO 8 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
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